1880265 has 16 divisors (see below), whose sum is σ = 3040128. Its totient is φ = 992256.

The previous prime is 1880257. The next prime is 1880267. The reversal of 1880265 is 5620881.

It is not a de Polignac number, because 1880265 - 2³ = 1880257 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1880267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937 + ... + 2153.

It is an arithmetic number, because the mean of its divisors is an integer number (190008).

2^1880265 is an apocalyptic number.

1880265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1880265 is a deficient number, since it is larger than the sum of its proper divisors (1159863).

1880265 is a wasteful number, since it uses less digits than its factorization.

1880265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1880265 is about 1371.2275522319. The cubic root of 1880265 is about 123.4259145779.

It can be divided in two parts, 1880 and 265, that added together give a triangular number (2145 = T₆₅).

The spelling of 1880265 in words is "one million, eight hundred eighty thousand, two hundred sixty-five".